CN107784331B - Electronic price tag - Google Patents

Electronic price tag Download PDF

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Publication number
CN107784331B
CN107784331B CN201610724496.6A CN201610724496A CN107784331B CN 107784331 B CN107784331 B CN 107784331B CN 201610724496 A CN201610724496 A CN 201610724496A CN 107784331 B CN107784331 B CN 107784331B
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price tag
electronic price
mcu
information
display
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CN107784331A (en
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侯世国
申明
卢超群
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Hanshuo Technology Co.,Ltd.
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Zhejiang Hanshow Technology Co ltd
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Priority to CN201610724496.6A priority Critical patent/CN107784331B/en
Priority to EP17170268.1A priority patent/EP3287980A1/en
Publication of CN107784331A publication Critical patent/CN107784331A/en
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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q30/00—Commerce
    • G06Q30/06—Buying, selling or leasing transactions
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K17/00—Methods or arrangements for effecting co-operative working between equipments covered by two or more of main groups G06K1/00 - G06K15/00, e.g. automatic card files incorporating conveying and reading operations
    • G06K17/0022—Methods or arrangements for effecting co-operative working between equipments covered by two or more of main groups G06K1/00 - G06K15/00, e.g. automatic card files incorporating conveying and reading operations arrangements or provisious for transferring data to distant stations, e.g. from a sensing device

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  • Engineering & Computer Science (AREA)
  • Business, Economics & Management (AREA)
  • Finance (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Accounting & Taxation (AREA)
  • Development Economics (AREA)
  • General Engineering & Computer Science (AREA)
  • Economics (AREA)
  • Marketing (AREA)
  • Strategic Management (AREA)
  • General Business, Economics & Management (AREA)
  • Cash Registers Or Receiving Machines (AREA)
  • Display Racks (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)

Abstract

The invention provides an electronic price tag, comprising: the communication module is used for communicating with the access point AP by adopting a 2.4G wireless communication protocol, receiving electronic price tag display information provided by the access point AP and sending the electronic price tag display information to the MCU; the magnetic control switch is used for triggering the MCU to start operation or finish operation; the MCU is used for receiving the electronic price tag display information sent by the communication module; after the electronic price tag is triggered by the magnetic control switch to start operation, the display screen and/or the indicator lamp are controlled to display according to the display information of the electronic price tag. The scheme adopts a 2.4G wireless communication protocol to communicate with the AP, is easy to realize the miniaturization design of the antenna and the communication capability without dead angles and covering in all directions based on the wireless radio frequency characteristics of 2.4G, so that the electronic price tag is convenient to install and low in implementation and maintenance cost; in addition, the scheme adopts a magnetic control switch to quickly trigger the MCU to start and operate.

Description

Electronic price tag
Technical Field
The invention relates to the technical field of electronic display, in particular to an electronic price tag.
Background
Most of the existing electronic price tag systems are not wireless access technologies, such as infrared communication technology and RFID communication technology. The infrared communication technology is aimed at, data communication is carried out by adopting infrared light, the nominal communication rate can reach 4Mbps, point-to-point data communication is supported, and the interference of an external environment is not easy to happen. However, the technique has the following disadvantages: infrared can be transmitted only in a straight line, or reliable transmission can be guaranteed only after refraction for a limited time, the infrared is greatly influenced by a communication angle, once the communication angle is larger than 30 degrees, the communication effect can be obviously influenced, the problems of orientation angle, dead angle coverage and the like need to be considered in field installation due to the characteristic, the convenience of field installation is influenced, the maintenance cost is increased, and the challenge is brought to the reliability of the system. For the RFID communication technology, a low-frequency transmission technology below 1MHz (about 135 KHz) is generally used, the low-frequency transmission is actually a low-frequency inductive coupling technology, a communication mode similar to a master-slave mode is adopted, and a master terminal is used as an initiator and can identify a target object (a slave terminal) through a radio frequency signal and perform data communication. However, the technique has the following disadvantages: in order to satisfy the covering effect of a large space, the size of the coupling antenna at the transmitting end needs to be very large, and the coupling antenna needs to be arranged on a ceiling, so that the implementation complexity and the maintenance difficulty are very large, and the cost is increased.
Disclosure of Invention
The embodiment of the invention provides an electronic price tag which is easy to realize the communication capability without dead angles and covering in all directions, is easy to realize the miniaturized design of an antenna, is convenient to install and has low implementation and maintenance cost.
The electronic price tag includes: the device comprises a communication module, a magnetic control switch, a Micro Control Unit (MCU), a display screen and an indicator light;
the communication module is used for communicating with the access point AP by adopting a 2.4G wireless communication protocol, receiving electronic price tag display information provided by the AP and sending the electronic price tag display information to the MCU;
the magnetic control switch is used for triggering the MCU to start operation or finish operation;
the MCU is used for receiving the electronic price tag display information sent by the communication module; and after the electronic price tag is triggered by the magnetic control switch to start operation, the display screen and/or the indicating lamp are controlled to display according to the electronic price tag display information.
The electronic price tag provided by the invention adopts a 2.4G wireless communication protocol to communicate with the AP, is easy to realize the miniaturization design of an antenna based on the wireless radio frequency characteristics of 2.4G, and is also easy to realize the communication capability without dead angles and in all-directional coverage, so that the electronic price tag is convenient to install and low in implementation and maintenance cost; the magnetic control switch can be adopted to quickly trigger the MCU to start operation.
The invention also provides an electronic price tag which is easy to realize the communication capability without dead angles and covering in all directions, is easy to realize the miniaturized design of the antenna, is convenient to install and has low implementation and maintenance cost.
The electronic price tag includes: the device comprises a communication module, an MCU, a display screen and an indicator light;
the communication module is used for communicating with the AP by adopting a 2.4G wireless communication protocol, receiving electronic price tag display information and first trigger information provided by the AP, and sending the electronic price tag display information and the first trigger information to the MCU, wherein the first trigger information is used for triggering the MCU to start running or finish running;
the MCU is used for receiving the electronic price tag display information and the first trigger information sent by the communication module; and after the operation is triggered and started by the first trigger information, controlling a display screen and/or an indicator lamp to display according to the electronic price tag display information.
The electronic price tag provided by the invention adopts a 2.4G wireless communication protocol to communicate with the AP, is easy to realize the miniaturization design of an antenna based on the wireless radio frequency characteristics of 2.4G, and is also easy to realize the communication capability without dead angles and in all-directional coverage, so that the electronic price tag is convenient to install and low in implementation and maintenance cost; and providing trigger information by using the AP to trigger the MCU to start running.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic diagram of an electronic price tag according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of an electronic price tag according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The existing electronic price tag generally adopts an infrared communication technology and an RFID communication technology, but the two technologies have the following defects: infrared can be transmitted only in a straight line, which is greatly influenced by a communication angle, so that the problems of orientation angle, dead angle coverage and the like need to be considered in field installation, the convenience of field installation is influenced, and the maintenance cost is increased; in the RFID communication technology, in order to satisfy the coverage effect of a large space, the size of the coupling antenna at the transmitting end is made very large, and the coupling antenna needs to be arranged on a ceiling, so that the implementation complexity and the maintenance difficulty are very large, and the cost is increased. Based on the problems in the prior art, the embodiment of the invention provides an electronic price tag, which solves the problems in the prior art.
Fig. 1 is a schematic structural diagram of an electronic price tag according to an embodiment of the present invention, and as shown in fig. 1, the electronic price tag includes: the device comprises a communication module, a magnetic control switch, a Micro Control Unit (MCU), a display screen and an indicator light;
the communication module is used for communicating with the access point AP by adopting a 2.4G wireless communication protocol, receiving electronic price tag display information provided by the AP and sending the electronic price tag display information to the MCU;
the magnetic control switch is used for triggering the MCU to start operation or finish operation;
the MCU is used for receiving the electronic price tag display information sent by the communication module; and after the electronic price tag is triggered by the magnetic control switch to start operation, the display screen and/or the indicating lamp are controlled to display according to the electronic price tag display information.
An embodiment of the present invention further provides another electronic price tag, a structure of which is shown in fig. 2, and the electronic price tag includes: the device comprises a communication module, an MCU, a display screen and an indicator light;
the communication module is used for communicating with the AP by adopting a 2.4G wireless communication protocol, receiving electronic price tag display information and first trigger information provided by the AP, and sending the electronic price tag display information and the first trigger information to the MCU, wherein the first trigger information is used for triggering the MCU to start running or finish running;
the MCU is used for receiving the electronic price tag display information and the first trigger information sent by the communication module; and after the operation is triggered and started by the first trigger information, controlling a display screen and/or an indicator lamp to display according to the electronic price tag display information.
In specific implementation, in order to solve the above problems of the infrared communication technology and the RFID communication technology adopted by the existing electronic price tag, in this example, the communication modules in both the two electronic price tags use a 2.4G wireless communication protocol to communicate with an AP (access point, a relay for communication between the electronic price tag and a background server), where the communication module may be a Radio Frequency communication module (RF communication module). Adopt 2.4GHz technique mainly to stem from 2.4G technical maturity, and the international planning has standard communication frequency channel (2.4GHz ISM), based on 2.4G's radio frequency characteristics, easily realize miniaturized design (very small and exquisite that the antenna can be designed), easily realize the communication ability that does not have the dead angle, omnidirectional coverage simultaneously (omnidirectional communication can be accomplished to the antenna), make the installation of electron price tag convenient like this, implement and the maintenance cost is low.
In addition, aiming at an application scene of the electronic price tags, namely a large-scale merchant super (the electronic price tags can also be applied to other application scenes), after a large number of electronic price tags are arranged, a communication network covering all commodities is formed, whether the network can collect more information for the large-scale merchant super, such as favorite information of customers to the commodities, whether the information can be effectively and timely transmitted to a background server, and the new requirement for the electronic price tags is met. Aiming at the requirements, the electronic price tag must have more balanced uplink communication capability and downlink communication capability, and a communication device generally used in the original infrared communication technology is an infrared receiving and transmitting tube, so that the infrared transmitting capability of the electronic price tag cannot be very strong in order to meet the requirement of ultralow power consumption (the battery of the electronic price tag cannot be replaced within 5 years of service life), so that the efficiency of the communication on the electronic price tag is weak, and the requirement of instant uplink communication is difficult to meet; in the original RFID communication technology, communication must be initiated by a master end, and the slave end cannot transmit information in real time, so that the communication effect of the slave end is poor, and the requirement of large-scale business ultra-independent uplink communication cannot be met.
The 2.4GHz technology adopted in the embodiment of the invention has almost the same capacity of an uplink channel (sending information to the AP by the electronic price tag) and a downlink channel (sending information to the AP by the AP) and has burst capacity of the uplink channel, so that the problems of unbalanced uplink communication capacity and downlink communication capacity, poor timeliness and bandwidth of the uplink communication capacity and poor data throughput existing in the infrared communication technology and the RFID communication technology can be solved, and the information capacity of the business surpass is improved.
During specific implementation, the MCU in the existing electronic price tag is in a super power consumption state, the MCU cannot be started to operate immediately, and the starting time is too long. Based on this, in this example, the first electronic price tag (shown in fig. 1) uses a magnetic switch to trigger the start operation or the end operation of the MCU. The magnetic control switch has many forms, such as a reed switch, a hall switch, and the like. After an external magnetic control device (such as an external remote controller) contacts the magnetic control switch, the magnetic control switch is immediately closed or opened, and then a trigger signal is sent to the MCU, so that the MCU immediately starts or ends operation. The MCU is triggered by the magnetic control switch, so that the real-time performance is realized. The second electronic price tag (shown in fig. 2) uses a 2.4G radio frequency trigger signal (first trigger information) provided by the AP to control the MCU to start or end operation.
In particular, in this example, the time for the communication module to receive the electronic price tag display information and transmit it to the MCU is flexible. For example, for a first electronic price tag: when the MCU is triggered to start and operate through the magnetic control switch, the communication module can receive the electronic price tag display information provided by the AP firstly and send the electronic price tag display information to the MCU, and then the magnetic control switch triggers the MCU to start and operate, and then the electronic price tag display information can be directly used, so that the electronic price tag display information is preset in the MCU firstly. Or the magnetic control switch firstly triggers the MCU to start operation, then the communication module receives the electronic price tag display information provided by the AP and sends the electronic price tag display information to the MCU. For a second electronic price tag: the communication module can receive the electronic price tag display information provided by the AP and send the electronic price tag display information to the MCU after receiving the first trigger information provided by the AP and triggering the MCU to start running through the first trigger information; or the electronic price tag display information provided by the AP is received, the electronic price tag display information is sent to the MCU, then the first trigger information provided by the AP is received, and the electronic price tag display information can be directly used after the MCU is triggered to start running through the first trigger information, which is equivalent to that the electronic price tag display information is preset in the MCU.
In this embodiment, the electronic price tag display information may include control information and display contents to be displayed. Because the MCU can control both the display screen and the indicator light, after the MCU is started to operate, whether the display screen or the indicator light or both are controlled can be determined according to the control information in the electronic price tag display information. For the two electronic price tags, the MCU is specifically configured to:
when the display screen is determined to be controlled to display according to the control information in the electronic price tag display information, the display screen is controlled to display the display content in the electronic price tag display information;
and when the indication lamp needs to be controlled to display according to the control information in the electronic price tag display information, controlling the indication lamp to display the display content in the electronic price tag display information.
In a specific implementation, the control information in the electronic price tag display information may be that a flag is set in the electronic price tag display information, for example, the flag is "1", the control display screen is determined, the flag is "0", and the control indicator is determined. Other ways to distinguish whether the control information in the electronic price tag display information is used to control the display screen or the indicator light may also be used.
In specific implementation, in this example, when the MCU determines to control the display screen to display, the first electronic price tag is close to (or contacts) the electronic price tag through the magnetic switch, and the MCU is triggered to control the display screen to switch pages. The second electronic price tag adopts the MCU to control the display screen to switch pages according to preset page turning information included in the display content in the display information of the electronic price tag; or the communication module receives second trigger information provided by the AP and sends the second trigger information to the MCU, and the MCU controls the display screen to switch pages after being triggered, started and operated by the second trigger information. The preset page turning information may include information of the number of pages, duration, etc. of screen switching. When the electronic price tag is applied to a large-scale merchant, the display content of the display information of the electronic price tag can include commodity information, such as the information of the name, the place of production, the price, the unit and the like of the commodity, and the content to be displayed on each page can also include information of a one-dimensional code, a two-dimensional code, a picture and the like. And may also include discount information of the goods, etc.
In practical applications, the types of the display screens are various, such as LED display screens and lcd (liquid Crystal display) screens. The existing industry mostly adopts the liquid crystal display LCD, in this example, the display screen can also adopt the liquid crystal display LCD, but the liquid crystal display LCD has the problems that the visual angle and the contrast ratio can not reach the optimal state, the power consumption is higher and the like in the display. Aiming at the problems of the LCD, the display screen can also adopt an Electronic Paper Display (EPD) (electronic Paper display). The EPD electronic paper technology has well solved these problems, and in the aspect of showing at first, electronic paper display screen EPD does not have the angle of view problem, and the contrast almost is unanimous with the effect of paper based printing completely, makes it especially adapted large-scale merchant surpass this kind of show type application scene, and this kind of high contrast simultaneously makes the use of one-dimensional code, two-dimensional code more smooth and easy, does benefit to the use of customer's informationization, for example sweeps functions such as sign indicating number and payment on line. Secondly, in the aspect of power consumption, the electronic paper display screen EPD is extremely low in power consumption, almost does not consume power, and is very suitable for long-term low-power-consumption application scenes. By adopting the electronic paper display screen EPD, a better display effect can be provided for customers.
In a specific implementation, in this example, the electronic price tag display information may include a preset flashing color, a flashing frequency and/or a flashing duty ratio, and when the MCU controls the indicator light to display, the indicator light may be controlled according to the preset flashing color, the flashing frequency and/or the flashing duty ratio (which refers to a time ratio between light-on and light-off). Since the types of the indicator lights are various, for example, the indicator lights can be a plurality of Light Emitting Diodes (LEDs) with different colors, or can also be light emitting diodes (RGB LEDs) based on three primary colors of red, green and blue, etc., the MCU can control different types of indicator lights in different ways. For example, when the indicator light is a plurality of LEDs with different colors, the MCU may control the LEDs with corresponding colors in the plurality of LEDs with different colors to blink according to a preset blinking color, a blinking frequency, and/or a blinking duty cycle. When the indicator light is an RGB LED, the MCU controls the RGB LED to emit corresponding colors and flicker according to preset flicker colors, flicker frequency and/or flicker duty ratio. For example, when the electronic price tag is applied to a large-scale business, a customer defines a flashing red light, the flashing duty ratio is 30ms on/1 s off, at this time, the MCU controls a single red LED to flash in a manner of 30ms on/1 s off, or controls an RGB LED to emit red, and then flashes in a manner of 30ms on/1 s off; defining green light to flash, wherein the duty ratio of the flash is 1ms on/30 s off, and at the moment, the MCU controls a single green LED to flash in a mode of 1ms on/30 s off, or controls the RGB LED to emit green light and then flash in a mode of 1ms on/30 s off.
In specific implementation, all display contents in the existing electronic price tag are stored in a RAM (random access memory) of the MCU, and the RAM (random access memory) is a random access memory, which cannot retain data when power is lost and can lose the stored data. Based on this, in this example, the electronic price tag may further include a storage device for storing electronic price tag display information. The storage device cannot lose data when power is lost, and after the electronic price tag is electrified and operates again, the data lost by the RAM when the power is lost can be recovered. Specifically, after receiving the electronic price tag display information provided by the access point AP, the communication module sends the electronic price tag display information to the storage device in addition to the MCU; after the electronic price tag is powered off and then powered on again, the MCU can acquire corresponding electronic price tag display information at the power-off moment from the storage device.
In summary, compared with the existing electronic price tag, the two electronic price tags have the following advantages:
(1) the 2.4G wireless communication protocol is adopted to communicate with the AP, the miniaturization design of the antenna is easy to realize based on the wireless radio frequency characteristics of 2.4G, and meanwhile, the communication capability without dead angles and omnidirectional coverage is easy to realize, so that the electronic price tag is convenient to install and low in implementation and maintenance cost.
(2) The MCU can be rapidly triggered to start and operate by adopting a magnetic control switch, and can also be triggered to start and operate by the trigger information provided by the AP.
(3) The MCU can be triggered by the magnetic control switch to control the page cutting of the display screen, the page cutting can be automatically performed through the page turning information provided by the AP, and the page cutting can be performed through the triggering information provided by the AP.
(4) The electronic paper display screen EPD is adopted, the problem of viewing angle is avoided, the contrast ratio is almost completely consistent with the effect of paper printing, and the power consumption is extremely low.
(5) The problem that the RAM cannot keep data can be solved by arranging the storage device in the electronic price tag.
As will be appreciated by one skilled in the art, embodiments of the present invention may be provided as a method, system, or computer program product. Accordingly, the present invention may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present invention may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
The present invention is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the invention. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes may be made to the embodiment of the present invention by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (9)

1. An electronic price tag, comprising: the device comprises a communication module, a magnetic control switch, a Micro Control Unit (MCU), a display screen and an indicator light;
the magnetic control switch is used for triggering the MCU to start operation or finish operation;
the communication module is used for communicating with the AP by adopting a 2.4G wireless communication protocol, receiving electronic price tag display information provided by the AP after the MCU is triggered by the magnetic control switch to start running or before the MCU is triggered by the magnetic control switch to start running, and sending the electronic price tag display information to the MCU, wherein the electronic price tag display information comprises control information which is represented by 0 or 1;
the MCU is used for receiving the electronic price tag display information sent by the communication module, controlling the display screen to display the display content in the electronic price tag display information when the control information is 1 after the electronic price tag display information is triggered by the magnetic control switch to start operation, and controlling the indicator lamp to display the display content in the electronic price tag display information when the control information is 0;
the indicator light comprises a plurality of Light Emitting Diodes (LEDs) with different colors or red, green and blue light emitting diodes (RGB LEDs);
the MCU is specifically configured to:
when the indicator light is a plurality of LEDs with different colors, controlling the LEDs with corresponding colors in the plurality of LEDs with different colors to flash according to preset flashing colors, flashing frequencies and/or flashing duty ratios;
and when the indicator light is an RGB LED, controlling the RGBLED to emit corresponding colors and flicker according to preset flicker colors, flicker frequency and/or flicker duty ratio.
2. The electronic price tag of claim 1, wherein the magnetic switch is further configured to trigger the MCU to control the display screen to perform page switching.
3. The electronic price tag of claim 1, wherein the display screen is an electronic paper display screen (EPD) or a Liquid Crystal Display (LCD).
4. The electronic price tag of claim 1, further comprising:
and the storage equipment is used for storing the electronic price tag display information.
5. An electronic price tag, comprising: the device comprises a communication module, an MCU, a display screen and an indicator light;
the communication module is used for communicating with the AP by adopting a 2.4G wireless communication protocol, receiving first trigger information provided by the AP, triggering the MCU to start running through the first trigger information, receiving electronic price tag display information provided by the AP, and sending the electronic price tag display information to the MCU; or receiving electronic price tag display information provided by the AP, sending the electronic price tag display information to the MCU, receiving first trigger information provided by the AP, and triggering the MCU to start running through the first trigger information, wherein the first trigger information is used for triggering the MCU to start running or finish running, the electronic price tag display information comprises control information, and the control information is represented by 0 or 1;
the MCU is used for receiving the electronic price tag display information and the first trigger information sent by the communication module; after the operation is triggered and started by the first trigger information, when the control information is 1, controlling a display screen to display the display content in the electronic price tag display information, and when the control information is 0, controlling an indicator lamp to display the display content in the electronic price tag display information;
the indicator light comprises a plurality of Light Emitting Diodes (LEDs) with different colors or red, green and blue light emitting diodes (RGB LEDs);
the MCU is specifically configured to:
when the indicator light is a plurality of LEDs with different colors, controlling the LEDs with corresponding colors in the plurality of LEDs with different colors to flash according to preset flashing colors, flashing frequencies and/or flashing duty ratios;
and when the indicator light is an RGB LED, controlling the RGBLED to emit corresponding colors and flicker according to preset flicker colors, flicker frequency and/or flicker duty ratio.
6. The electronic price tag of claim 5, wherein display content in the electronic price tag display information includes preset page turning information;
the MCU is specifically configured to:
and controlling the display screen to switch pages according to the preset page turning information.
7. The electronic price tag of claim 5, wherein the communication module is further to:
receiving second trigger information provided by the AP, and sending the second trigger information to the MCU;
the MCU is further configured to:
and controlling the display screen to switch pages after being triggered to start and operate by the second trigger information.
8. The electronic price tag of claim 5, wherein the display screen is an electronic paper display screen (EPD) or a Liquid Crystal Display (LCD).
9. The electronic price tag of claim 5, further comprising:
and the storage equipment is used for storing the electronic price tag display information.
CN201610724496.6A 2016-08-24 2016-08-24 Electronic price tag Active CN107784331B (en)

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Application Number Priority Date Filing Date Title
CN201610724496.6A CN107784331B (en) 2016-08-24 2016-08-24 Electronic price tag
EP17170268.1A EP3287980A1 (en) 2016-08-24 2017-05-09 Electronic shelf label

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CN112051974B (en) * 2019-06-06 2023-12-15 汉朔科技股份有限公司 Electronic price tag information transmission method and system, electronic price tag and server
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